Prado Chat Demo
OnClick="processMessage"/>
Event.observe($("<%= $this->userinput->ClientID %>"), "keypress", function(ev)
{
if(Event.keyCode(ev) == Event.KEY_RETURN)
{
if(Event.element(ev).value.length > 0)
new Prado.Callback("<%= $this->sendButton->UniqueID %>");
Event.stop(ev);
}
});